CN103136859A - Restaurant wireless card-swiping system based on image identification - Google Patents
Restaurant wireless card-swiping system based on image identification Download PDFInfo
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Abstract
The invention discloses a restaurant wireless card-swiping system based on image identification. The restaurant wireless card-swiping system comprises a video collector, a wireless integrated circuit (IC) card reader-writer, a meal card and a data management platform, wherein the video collector is a well known video collecting device, the wireless IC card reader-writer is a non-contact type IC card reader-writer, the meal card is an IC card, and the data management platform is a system for managing image data, video data, user information and mutual relations among the image data, the video data and the user information. The data management platform obtains numbers, names and prices of foods in table ware through an image identification technology so as to calculate total price of all the foods in the table ware and control the wireless IC card reader-writer to read and write information in the meal card held by a diner.
Description
Technical field
The present invention relates to a kind of wireless card-punching system based on image recognition, be particularly suitable for based on the wireless card-punching system in the dining room of image recognition.
Background technology
Along with the development of science and technology, huge variation is also occuring in the dining room charge method.What occur the earliest is the monetary charge mode, and the advantage of this mode is that shortcoming simple to operate with low cost is to be not easy to management.Subsequently, the book keeping operation mode occurred, the advantage of this mode is that the convenient management shortcoming is complicated operation.In order to overcome the shortcoming of book keeping operation mode, people have proposed the meal ticket mode, this mode not only convenient management and also the operation also relatively simple, so the meal ticket mode popular the quite a long time.Afterwards, along with the development of yield-power, the electronics meal ticket occurred, this mode is stored in magnetic card and completes the book keeping operation function of swiping the card by means of the information of magnetic card with the holder, yet this mode is large and be that contact is swiped the card to the wearing and tearing of magnetic stripe.In order to overcome the shortcoming of electronics meal ticket, contactless card-punching system has appearred, and this is the blank of the wireless card-punching system in dining room.Work as wireless radio-frequency, after namely the RFID technology occurred, the wireless card-punching system in dining room just really was born and universal and development rapidly.Wireless card-punching system is the present the most popular mode of swiping the card, and plays an important role in social life.Yet, we find that wireless card-punching system can go wrong under some occasion, for example under the occasion of school canteen, time for eating meals is concentrated relatively, food species is also more, if by manually identifying the food kind, calculate not only inefficiency but also easily make mistakes of food total price, so we have proposed automatically to identify the food kind and calculate the wireless card-punching system of food total price based on image recognition technology.
Image recognition is to utilize computing machine that image is processed, analyzed and understands, to identify various different targets and to the technology of picture.In image recognition, we often identify it according to the key feature of things, that is to say, we need to define feature that can unique demarcation things and claim these to be characterized as key feature, then collect the key feature of things and judge, when all key features all satisfied the condition of appointment, we judged the things of the unique demarcation of these key features thus.Utilized image recognition technology based on the wireless card-punching system in the dining room of image recognition.
Card-punching system is one of important symbol of modern humans's civilization and progress, and it has overcome the development that the defective in the cash circulation has greatly promoted human society.Along with the development of artificial intelligence technology, card-punching system and artificial intelligence technology combine and intelligent card-punching system occurred.The intelligence card-punching system refers to the card-punching system based on IC-card, internal processor and memory cell in IC-card.The dining room card-punching system is a kind of intelligent card-punching system, and it reads and writes by the dining room machine for punching the card mess card that the eater holds, and mess card is a kind of IC-card, and user's information is being stored in its inside.IC-card adopts wireless radio-frequency to communicate by letter with the Wireless IC card read write line, and they are all the ingredients of intelligent card-punching system, so the dining room card-punching system is also a kind of wireless card-punching system.The distance of the IC-card that different vendor produces and its radio read-write of Wireless IC card read write line is different.The dining room card-punching system has realized consumer electronics, informationization, networking and intellectuality.
Image recognition technology and wireless card-punching system are combined to take full advantage of the work load that robotization facility that image recognition technology brings alleviates artificial cognition; Image recognition technology and wireless card-punching system are combined to give full play to the efficient of wireless card-punching system.The present invention is based on this point, has designed based on the wireless card-punching system in the dining room of image recognition.
In our designed system, by being arranged on the swipe the card camera of place top of dining room, obtain the food video in the eater's pallet that to swipe the card and send video to data management platform, data management platform is resolved video and is generated a width width image and therefrom extract key feature, and then compare with prior canned data, obtain the title of food in the target pallet, calculate at last the total price of food in the target pallet.Relatively be suitable for the purchase of free meal based on the wireless card-punching system in the dining room of image recognition.
In a word, the wireless card-punching system in this dining room based on image recognition: (1) can reduce dining room staff's input; (2) can reduce manually-operated error; (3) can improve the efficient of swiping the card in the dining room; (4) can reduce the peak period crowding phenomenon of having dinner, have great application potential for the college student dining room.
Summary of the invention
The invention discloses the wireless card-punching system in a kind of dining room based on image recognition, this system is comprised of video collector, Wireless IC card read write line, mess card and data management platform.
(1) video collector: be a kind of known video capture device, for example camera, charge injection device video camera, metal oxide semiconductor pickup camera, charge coupled device camera, charge-priming device video camera, digital camera are used for gathering the video of tableware and food;
(2) Wireless IC card read write line: be noncontact IC card read/write device, read-write MifareS50 card, MifareS70 card and TI ICODE2 card, adopt plug and play, nothing to drive core technology (namely meeting the HID agreement), the relevant device of can being connected with PC connects, and is used for the information of read-write mess card that the eater holds;
(3) mess card: be a kind of IC-card, a kind of in MifareS50 card, MifareS70 card and TI ICODE2 card, store IC-card owner's user profile, comprised IC card numbers, user ID, the account amount of money, last charge time, charge time last time, the upper secondary account amount of money;
(4) data management platform: be the system of managing image data, video data, user profile and mutual relationship thereof, be used for analyze the video data that video collector collects and the information of controlling wireless card reader read-write mess card that the eater holds.Data management platform is connected with display screen with video collector, Wireless IC card read write line respectively, and wherein display screen is used for showing that the eater holds the information in mess card.
The below introduces this system in detail.
The principle of each ingredient of system and installation
(1) video collector
Video collector be used for to gather the video of food in student dining tableware that the eater holds and tableware, is a kind of in camera, charge injection device video camera, metal oxide semiconductor pickup camera, charge coupled device camera, charge-priming device video camera, digital camera.Video collector is arranged on the top of Wireless IC card read write line and is connected with data management platform, with the video data transmitting that collects to data management platform.The recording function of video collector has guaranteed that the present invention can obtain continuously video data.
Video collector need to be securely fixed in the top of Wireless IC card read write line, and its camera lens should point to the eater of wish checkout.The video acquisition district is the zone that video collector can capture eater's video, and the scope in its video acquisition of the video collector of different brands district is different.Video collector is connected with data management platform by wire cable, and can with the data management platform proper communication.
(2) Wireless IC card read write line
The Wireless IC card read write line is used for the information of read-write mess card that the eater holds, and it is communicated by letter with IC-card by electromagnetic wave, is a kind of contactless reader/writer.At first identify the true and false of IC-card during the information of Wireless IC card read write line in reading and writing IC card, if identify legal IC-card continue to read information in card, otherwise stop operation to this card.The information that the Wireless IC card read write line is read in IC-card comprise the card number, user ID, the account amount of money of IC-card, last charge time, charge time last time, on the secondary account amount of money, wherein user ID is used to the consumption information in nearest 1 year relevant with this user ID of in data management platform inquiry.The information that the Wireless IC card read write line writes in IC-card comprises the account amount of money, last charge time, charge time last time and the upper secondary account amount of money.The write operation of Wireless IC card read write line is controlled by data management platform.
The Wireless IC card read write line is connected with data management platform by wire cable, and energy and data management platform proper communication.The Wireless IC card read write line is arranged on the checkout mouth, and its setting height(from bottom) is 1 meter to 1.5 meters.Swipe the card the district be the zone that the Wireless IC card read write line can be sensed, the IC-card read write line of different brands has different induction regions.Because the Wireless IC card read write line is arranged on checkout mouthful, therefore swipe the card the district also with regard to layout in checkout mouthful.
(3) mess card
Mess card is a kind of IC-card, is any one in MifareS50 card, MifareS70 card and TI ICODE2 card, has stored card number, user ID, the account amount of money, last charge time, charge time last time and the upper secondary account amount of money of eater's the IC-card of holding.
The card number of IC-card is specified by the manufacturer of IC-card, and its card number of different IC-cards is different.
User ID is IC-card owner's sign, and its user ID of different IC-cards is different.
The account amount of money is the remaining sum of the associated account of IC-card, and its numeral keeps two-decimal, and its unit is unit; The account amount of money after the account amount of money equals to swipe the card last time deducts this amount of consumption.
Last charge time is the time of using for the last time IC-card to consume, and IC-card has been write new information by the Wireless IC card read write line when consumption.
Charge time last time is the last time of using IC-card to consume, and IC-card has been write new information by the Wireless IC card read write line when consumption.
The upper secondary account amount of money is after last use IC-card is consumed, with the remaining sum of the associated account of this IC-card.
The eater carry out certain swipe the card after its hold IC-card in being changed to of information: the account amount of money equals the former account amount of money and deducts this amount of consumption, charge time last time was replaced by last charge time, and last charge time is replaced by the former account amount of money by this charge time replacement, the upper secondary account amount of money.
(4) data management platform
Data management platform is the system of managing image data, video data, user profile and a mutual relationship thereof, be used for to analyze the video data that video collector collects and the information of controlling wireless card reader read-write mess card that the eater holds, and its principle is:
Data management platform obtains view data from the video data that video collector collects, because video data is comprised of a series of image, each width image is called a frame of this video.Utilizing timer periodically to control data management platform goes to obtain view data from current video data.
Data management platform is analyzed image, that is, thus numbering, title and price by drawing the food of putting in tableware with the tableware image of prior pre-stored, contrast that the various kinds of foods image carries out shape, color and texture and coupling.Relate to matching threshold when contrast and coupling, matching threshold is the tri-vector that is used for weighing similarity degree between image of prior appointment, the value of its every one dimension is decimal: 0.5 expression has 50% similarity degree, 0.9 expression has 90% similarity degree, 0 expression is dissimilar, 1 expression is identical, every one dimension of matching threshold can only be between 0 and 1 value.Just think when the similarity degree of two images that the match is successful during more than or equal to matching threshold otherwise think that coupling is unsuccessful.
Data management platform calculates the total price that the eater holds all foods in tableware, and it is shown by display screen as this amount of consumption.
Data management platform is controlled the Wireless IC card read write line and is read in the eater and hold information in mess card.Mess card can be placed in pallet or be held in eater's hand.
Data management platform has time module, can obtain the current time and show by display screen by time module.
Data management platform calculates the account amount of money of the associated account of mess card,, deducts this amount of consumption with the former account amount of money that is.
Data management platform is controlled the Wireless IC card read write line and is held writing information in mess card to the eater, comprise with the new account amount of money that calculates replace the former account amount of money on mess card, with the current time replace last charge time on mess card, with charge time last time on the last charge time replacement mess card on mess card, with the upper secondary account amount of money on the former account amount of money replacement mess card on mess card.
Be that the account amount of money of a, the associated account of mess card is that x, last charge time are t, charge time last time t0, upper secondary account amount of money x0 if the current time is T, this amount of consumption, the current information of the associated account of mess card is:
x
Current=x – a;
t
Current=T;
t0
Current=t;
x0
Current=x.
Then, use x
Current, t
Current, t0
CurrentAnd x0
CurrentGo respectively to substitute original x, t, t0 and x0, obtain thus the current information of mess card.
Data management platform control Wireless IC card read write line is held to the eater and is sent prompt tone in mess card after writing information one time, and prompt tone is buzzer, and its frequency is 500Hz, and the duration is 100ms.
Data management platform is kept at the current information of mess card on storage medium.
The method of installation data management platform: data management platform is connected respectively the Wireless IC card read write line by wire cable and is connected with display screen with video collector, and guarantees and these equipment proper communications.
Native system technical matters to be solved is as follows:
(1) how to make video collector can collect the video information of food in tableware that the eater holds and tableware;
(2) how to obtain tableware and food image information from the video information that collects;
(3) how to obtain numbering, title and the price of food from image information;
(4) how to revise the information of the associated account of mess card.
For technical matters to be solved, native system has been taked following technical scheme:
(1) video collector need to be securely fixed in the top of Wireless IC card read write line, and its camera lens should point to the eater of wish checkout.Video collector is connected with data management platform by wire cable, and can with the data management platform proper communication.
(2) obtain image information by the frame of video module for reading and writing from the video information that collects in data management platform, an image in video is called a frame.Frame of video read-write timer is set in data management platform, reads and writes timer by frame of video and periodically control the frame of video module for reading and writing obtain image information from the video information that collects.
(3) use the rim detection module to detect the edge of tableware from the image information of obtaining, and with the placement area as food, the zone of tableware edge formation.RGB numerical value, texture numerical value and the shape information of its color are collected in line by line scan zone that the tableware edge forms, food color RBG numerical value, texture numerical value and the shape information of collecting and food color RGB numerical value, texture numerical value and the shape information that is stored in advance the standard in data management platform are compared and mate, thereby determine numbering, title and the price of food, wherein the numbering of food, title and price have been stored in advance in data management platform and with its color RGB numerical value, texture numerical value and shape information and have been associated.Relate to matching threshold when contrast and coupling, matching threshold is all values between 0 and 1 of its every one dimensional numerical of a tri-vector.Food color RBG numerical value, texture numerical value and the shape information that food color RGB numerical value, texture numerical value and the shape information of collecting is stored in respectively and in advance the standard in data management platform subtracted each other and taken absolute value and then divided by sum of the two, obtain thus three greater than 0 less than 1 number.With three of obtaining greater than 0 less than 1 number respectively with matching threshold in the numerical value of three dimensions compare, think as the three that the match is successful during all less than or equal to rear three otherwise think that coupling is unsuccessful.
(4) the Wireless IC card read write line connects by wire cable and communicates by letter with data management platform, connect by radio magnetic wave and communicate by letter with user's mess card, so the Wireless IC card read write line can be the communication in mess card to data management platform.Data management platform has read the information in the mess card, that is, and and card number, user ID, the account amount of money, last charge time, charge time last time and the upper secondary account amount of money.Data management platform has obtained numbering, title and the price of food by image recognition, and calculates on this basis the total price of all foods, and with it as this amount of consumption.Data management platform deduct this amount of consumption with the former account amount of money and with it as the new account amount of money, with current charge time as last charge time, with the former account amount of money as the upper secondary account amount of money, with former last charge time as charge time last time.Data management platform is controlled the Wireless IC card read write line will the new account amount of money, charge time, charge time last time and the upper secondary account amount of money write the eater and holds in mess card and with information and be presented on display screen at last.The Wireless IC card read write line sends prompt tone when writing information in mess card, its frequency is 500Hz, and the duration is 100ms.Information write the eater hold mess card in after, data management platform is kept at the current information of mess card on storage medium.
By the technical scheme of having taked, native system has following beneficial effect:
(1) can automatically identify tableware that the eater holds and the food image in tableware;
(2) can obtain numbering, title and the price of food and calculate thus this amount of consumption according to the food image;
(3) can user's account be managed;
(4) can reduce the dining room staff number, reduce manually-operated error;
(5) can improve efficient, the crowded problem of solution peak period queuing of selling food in the dining room.
Description of drawings
The explanation that principle of the present invention, method flow and related notion are carried out below with reference to accompanying drawing, wherein:
Fig. 1 is based on the wireless card-punching system connection diagram in dining room of image recognition
Fig. 2 is the accounts information change schematic diagram related with mess card
Fig. 3 is based on the wireless card-punching system workflow diagram in dining room of image recognition.
Embodiment
Below in conjunction with accompanying drawing, " the wireless card-punching system in a kind of dining room based on image recognition " of the present invention is further described.
" the wireless card-punching system in a kind of dining room based on image recognition " obtains image information take data management platform as core from video collector and obtains the information of mess card that the eater is held and both to calculate as the basis from the Wireless IC card read write line: thus the food image information of acquisition and pre-stored standard food image information are compared and mate numbering, title and the price that obtains food; The price that calculates all foods in tableware according to kind and the quantity of food and with it as this amount of consumption; Calculate the account amount of money of the associated account of mess card and write new information by data management platform control Wireless IC card read write line in mess card according to the mess card information that obtains and this amount of consumption.
Embodiment is as follows:
(1) gather eater's video by video collector
Video collector has the function that gathers video, and different video collector has different video acquisition districts, and only the material object in the video acquisition district could be gathered effectively.After the eater chooses required food and they is positioned over assigned address in tableware, just can enter the video acquisition district.The video acquisition district is arranged near the checkout mouth, and is adjacent with the Wireless IC card read write line.The video collector collection be eater's video information, video information is transferred to data management platform and is extracted the food image by data management platform from video.In Fig. 1, video collector is connected with data management platform by wire cable, and the video acquisition district is positioned at the place ahead of video collector.
(2) extracted the image of food by data management platform from eater's video information
The periodically reading images information from eater's video of data management platform, the image information that reads each time is called a frame of this video information.The rim detection module is set in data management platform, and its function is to detect the edge of tableware from eater's image information.In order to improve the accuracy rate of rim detection, the method that we have used repeated detection and have merged namely, detects the edge of tableware and they is merged from several eaters' image.Just can praise the edge that has detected tableware after only having reached the matching degree of appointment.In Fig. 1, the rim detection module directly obtains video information and detect the edge of tableware video information from video collector.
(3) by data management platform recognition image information
Data management platform detects the edge of tableware from eater's image after, begin to follow the tracks of and gather the food image in tableware until identify its type.Picture recognition module is set in data management platform, and its function is that the food image that will gather and the foodstuff standards image that prestores compare and mate.The content of contrast and coupling comprises color RBG numerical value, texture numerical value and the shape information of food; The method of contrast and coupling be with color RGB numerical value, texture numerical value and the shape information of food respectively and corresponding foodstuff standards numerical value subtract each other and take absolute value and then divided by sum of the two; The criterion of contrast and coupling is to think unsuccessful greater than matching threshold to think that less than or equal to matching threshold the match is successful.Matching threshold is a tri-vector, and its every one dimensional numerical is value between 0 and 1 all.Just think that the match is successful when the comparative result of color RGB numerical value, texture numerical value and shape information during all less than or equal to the numerical value of three dimensions of matching threshold.In Fig. 1, picture recognition module obtains to be placed on the image information of food in tableware and and is pre-stored in foodstuff standards image in data management platform and compares and mate and determine food title and price from the rim detection module.
After the food image that gathers and the foodstuff standards images match that prestores are successful, data management platform will read numbering, title and the price with the foodstuff standards image correlation that prestores.
(4) shown title, the price of food in eater's tableware by data management platform control display screen display
Data management platform identifies the eater hold food in tableware after, its title, price are presented on display screen; And calculate its total price after the title that shows all foods and price, total price also by the data management platform control display on display screen.Display control module is set in data management platform, its function be with information output to display screen.The presentation control function of data management platform is based on its display control module, and data management platform calculates the function of all food total prices and also completed by display control module.In Fig. 1, display control module is presented at title and the price of the food that picture recognition module identifies on display screen.
(5) read eater's mess card information by the Wireless IC card read write line
The Wireless IC card read write line is noncontact IC card read/write device, read-write MifareS50 card, MifareS70 card and TI ICODE2 card, and it has adopted plug and play, can be connected with PC relevant device and connect without driving core technology.The distance of its read-write of Wireless IC card read write line that different vendor produces is different.Should initiatively show the mess card clearing of swiping the card when the eater enters the district that swipes the card, mess card is a kind of IC-card, and it is a kind of in MifareS50 card, MifareS70 card and TI ICODE2 card, the eater can mess card is hand held in or be placed in tableware.The Wireless IC card read write line has certain radio read-write ability, and it can read and write the information in mess card at a certain distance.
The ratio district's scope of swiping the card in video acquisition district is large, and the indication of its correspondence is arranged on the ground.When entering when district of swiping the card, the user shows that it accepts its identification and agreement of holding food in tableware is swiped the card on display screen.
(6) calculate the account up-to-date information by data management platform
Data management platform can calculate the account up-to-date information that eater's mess card is associated, and the account up-to-date information comprises the account amount of money, last charge time, charge time last time and the upper secondary account amount of money.The computing function of data management platform is to realize by its inner IC-card read-write control module.The method of calculating the account amount of money is to deduct this amount of consumption with the former amount of money of account, and the amount of consumption is this total price of buying food; Data management platform also need the current time of acquisition system and with it as last charge time, the last charge time that account is original was as charge time last time, the account amount of money that account is original is as the upper secondary account amount of money, and these have formed the up-to-date information of account jointly, as shown in Figure 2.
(7) control the Wireless IC card read write line by data management platform the account up-to-date information is write mess card
IC-card read-write control module in data management platform can be controlled the Wireless IC card read write line account up-to-date information is write mess card.After successfully writing mess card, the IC-card read write line can send prompt tone, and its frequency is 500Hz, and the duration is 100ms.Information write the eater hold mess card in after, data management platform is kept at the current information of mess card on storage medium, is simultaneously displayed on display screen.If the IC-card read write line does not successfully write mess card with information, can not send prompt tone and will again read eater's mess card information and writing information again.
Workflow based on the wireless card-punching system in dining room of image recognition is as follows:
The first step: the eater selects dish.The eater is selecting the vegetable-growing area to select dish, and selecting the vegetable-growing area is the zone of putting various foods.Food is contained in the definite plate of size and shape in advance.The eater is placed on the selected plate that holds food in tableware, and tableware is a shape and fixed-size pallet.
Second step: enter the video acquisition district.After the eater selected food, hand-held tableware entered the video acquisition district and carries out video acquisition.In the video acquisition district, the video information that video collector gathers the eater also with video information transmission to data management platform.
The 3rd step: the image that gathers food.The food of food in this refers to be placed on tableware.Data management platform is reading images information from eater's video information periodically, utilizes the rim detection module to detect the edge of tableware, and then obtain the food image in tableware.
The 4th step: identification food image.Picture recognition module in data management platform compares the food image of the food image that gathers and standard and mates to identifying the food of image representative, if identify successfully enter next step, otherwise returns to for the 3rd step.
The 5th step: show food title, price, total price.After correctly identifying the food of image representative, the display control module in data management platform calculates the total price of all foods in tableware and title, price, the total price of food is presented on display screen.
The 6th step: enter the district that swipes the card.After the user sees demonstration screen display food title, price and total price, swipe the card if approve these information enter the district that swipes the card.Swipe the card the district be the zone that the Wireless IC card read write line can be sensed, the IC-card read write line of different brands has different induction regions, swipe the card the district layout the checkout mouthful.
The 7th step: read eater's mess card information.The Wireless IC card read write line can read eater's mess card information, mess card is a kind of IC-card, it has stored card number, user ID, the account amount of money, last charge time, charge time last time and the upper secondary account amount of money of eater's the IC-card of holding, and therefore claims that also these information are mess card information.
The 8th step: revise mess card information.The IC-card read-write control module of data management platform can calculate the up-to-date information of mess card and these information are write mess card.The up-to-date account amount of money is deducted this amount of consumption and is obtained by the former account amount of money, and wherein this amount of consumption is exactly the total price that is presented on display screen; Last charge time is provided by the time module in data management platform; Charge time last time was substituted by former last charge time; The upper secondary account amount of money is substituted by the former account amount of money; These information are exactly the up-to-date information of mess card.If the up-to-date information of mess card is successfully modified enters next step, otherwise returned to for the 7th step.
The 9th step: send prompt tone, show mess card information.After the IC-card of data management platform read-write control module successfully writes mess card with the up-to-date information of mess card, will send prompt tone and in the up-to-date information that shows the screen display mess card.
Above step is presented in Fig. 3.
Claims (5)
1. the wireless card-punching system in the dining room based on image recognition, is characterized in that, this system comprises video collector [1], Wireless IC card read write line [2], mess card [3] and data management platform [4], wherein:
Video collector [1] is a kind of known video capture device, be a kind of in camera, charge injection device video camera, metal oxide semiconductor pickup camera, charge coupled device camera, charge-priming device video camera, digital camera, be used for gathering the video of tableware and food;
Wireless IC card read write line [2] is noncontact IC card read/write device, and read-write MifareS50 card, MifareS70 card and TI ICODE2 card are for the information of read-write mess card that the eater holds;
Mess card [3] is a kind of IC-card, is a kind of in MifareS50 card, MifareS70 card and TI ICODE2 card, has stored user's information, comprises IC card numbers, user ID, the account amount of money, last charge time, charge time last time and the upper secondary account amount of money;
Data management platform [4] is the system of managing image data, video data, user profile and mutual relationship thereof, be used for to analyze the video data that video collector collects and the information of controlling wireless card reader read-write mess card that the eater holds.
2. the wireless card-punching system in a kind of dining room based on image recognition according to claim 1, it is characterized in that: video collector [1] is a kind of known video capture device, be arranged on the top of Wireless IC card read write line [1] and be connected with data management platform [4], with the video data transmitting that collects to data management platform [4].
3. the wireless card-punching system in a kind of dining room based on image recognition according to claim 1, it is characterized in that: Wireless IC card read write line [2] is used for the information of read-write mess card that the eater holds [3], it is connected 4 by wire cable with data management platform] connect, and energy and data management platform [4] proper communication; Wireless IC card read write line [2] is arranged on the checkout mouth.
4. the wireless card-punching system in a kind of dining room based on image recognition according to claim 1, it is characterized in that: mess card [3] is a kind of IC-card, is carrying out after certain swipes the card the eater, in mess card [3], the account amount of money equals the former account amount of money and deducts this amount of consumption.
5. the wireless card-punching system in a kind of dining room based on image recognition according to claim 1, it is characterized in that: data management platform [4] obtains view data from the video data that video collector [1] collects, and the tableware image of view data and prior pre-stored, contrast that the food image carries out shape, color and texture and coupling are drawn numbering, title and the price of the food of putting in tableware, and then calculate the total price of all foods in tableware and control the Wireless IC card read write line and read and write the eater and hold information in mess card.
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| CN201310007258XA CN103136859A (en) | 2013-01-09 | 2013-01-09 | Restaurant wireless card-swiping system based on image identification |
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| CN201310007258XA CN103136859A (en) | 2013-01-09 | 2013-01-09 | Restaurant wireless card-swiping system based on image identification |
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| CN108648334A (en) * | 2018-04-11 | 2018-10-12 | 合肥美的智能科技有限公司 | Self-service cabinet and its abnormal method for controlling reporting, self-service system |
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